Finding the Fourth Proportional to 393.06, 544.91 and 372.26
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Solution
The fourth proportional to 393.06, 544.91 and 372.26 is: 516.07
Step by Step Solution
- Step 1: Write the proportion equation
393.06 : 544.91 = 372.26 : x - Step 2: Convert to fraction form
393.06/544.91 = 372.26/x - Step 3: Cross multiply
393.06x = 544.91 × 372.26 - Step 4: Simplify right side
393.06x = 202,848.20 - Step 5: Solve for x
x = 202,848.20/393.06 - Step 6: Final answer
x = 516.07
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.